23443947072 has 896 divisors, whose sum is σ = 90328089600. Its totient is φ = 5796790272.

The previous prime is 23443947071. The next prime is 23443947097. The reversal of 23443947072 is 27074934432.

It is not an unprimeable number, because it can be changed into a prime (23443947071) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 241690128 + ... + 241690224.

It is an arithmetic number, because the mean of its divisors is an integer number (100812600).

Almost surely, 2^23443947072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23443947072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45164044800).

23443947072 is an abundant number, since it is smaller than the sum of its proper divisors (66884142528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23443947072 is a wasteful number, since it uses less digits than its factorization.

23443947072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 45.

The spelling of 23443947072 in words is "twenty-three billion, four hundred forty-three million, nine hundred forty-seven thousand, seventy-two".